Results Compared with natural delivery, in presence of assisted breech delivery, breech extraction, application of vacuum extractor, and cesarean section, the incidence rate of neonatal asphyxia increased significantly ( P < 0.01).

1、

Results Fetal hypoxia, birth injury, premature, postmature pregnancy, huge baby, difficult vacuum extraction, forceps operation and breech extraction were the most dangerous elements of intracranial haemorrhage of newborn.

结果：新生儿颅内出血与胎儿缺氧及（或）产伤有关，早产、过期妊娠、巨大儿、困难的胎吸、产钳术、臀位助产术是颅内出血的高危因素。

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2、

The breech lock closure type heat exchanger is characterized by reliable sealing performance, easy dismantling and assembling, high utilization ratio of heat exchange area and small grounding.

螺纹锁紧环换热器具有密封性能可靠，拆装方便，换热面积的利用率高，结构紧凑，占地面积小等特点。

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3、

Based on different theories and techniques for the reduction of stress concentration, and on the basis of forms of breech ring fillets in general use, over a dozen of fillet forms are proposed.

根据降低应力集中的理论和技术措施，在现有常用的炮尾闩室圆角的基础上，提出了十几种圆角形式。

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4、

In order to meet the technical requirement of breech ring blank, the past single piece forging for high& mid-strength steel breech ring blank was changed into multiple length forging.

在满足炮尾毛坯锻件技术要求的前提下，采用倍尺锻造法和直接拔长工艺代替传统的单件锻造工艺。

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5、

Based on the theory of Multi-body Dynamics, we adopt ADAMS simulation platform and establish virtual prototype of breech mechanism.

基于多体力学理论，采用ADAMS软件平台建立了炮闩系统的虚拟样机。

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6、

Study on On-line inspection method of tank guns breech mechanism based on LABWindows/ CVI

基于LABWindows/CVI的坦克火炮炮闩在线检测方法研究

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7、

Failure analysis for the breech mechanism of a big caliber howitzer

大口径火炮抽筒故障分析

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8、

Assembly Level Finite Element Analysis of Breech Mechanism of Gun

炮尾炮闩机构装配体有限元分析

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9、

Some New Results About Parts' Dynamic Characteristics in XX Breech Mechanism Based on Virtual Prototype Technology

基于虚拟样机技术对某炮闩系统零部件动力学特性的若干新认识

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10、

Research of Fault Simulation and Prediction System for Breech Mechanism

炮闩系统故障仿真预测系统研究

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11、

I was also in breech presentation.

我那时也是臀位的。

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12、

The choice of mode of delivery for breech presentation in nulliparous women

臀位妊娠分娩方式的选择

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13、

单胎初产臀位围产儿预后相关因素分析

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14、

Study of the Relationship between Breech Presentation and the Increasing of Fetal Umbilical Artery Blood Flow Resistance

胎儿脐血流阻力增加与臀位的关系探讨

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15、

There was a positive correlation between GPDA and N acetyl � � D glucosa minidase ( NAG ), urine minimal albumen ( UmA ).

尿GPDA与N乙酰βD氨基葡萄糖苷酶 ( NAG ) 和尿微量白蛋白 ( UmA ) 呈显著正相关.

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16、

There was significantly positive correlation between WSP content and viscosity.

水溶性戊聚糖含量与籽粒提取液黏度呈极显著正相关.

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17、

The soluble solids had very significant positive correlation with the light intensity.

果实可溶性固形物含量与光强呈极显著正相关.

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18、

There is an insignificant positive correlation between service quality and customers'satisfaction.

服务品质对顾客忠诚度不具显著的正向关系.

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19、

And there was a positive correlation between the area and DNA content.

并且核面积与DNA含量之间具有明显的正相关关系.

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20、

It had positive correlation with soil organic matter and CEC.

其吸附率与土壤有机质、CEC呈正相关.

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